/*
 * Copyright 2002-2023 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.gitee.melin.bee.core.spring.orm.hibernate5;

import jakarta.persistence.PersistenceException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.springframework.lang.Nullable;
import org.springframework.orm.hibernate5.SessionFactoryUtils;
import org.springframework.transaction.support.TransactionSynchronization;

/**
 * Simple synchronization adapter that propagates a {@code flush()} call
 * to the underlying Hibernate Session. Used in combination with JTA.
 *
 * @author Juergen Hoeller
 * @since 4.2
 */
public class SpringFlushSynchronization implements TransactionSynchronization {

    static final Log LOGGER = LogFactory.getLog(SpringFlushSynchronization.class);

    private final Session session;

    public SpringFlushSynchronization(Session session) {
        this.session = session;
    }

    @Override
    public void flush() {
        LOGGER.debug("Flushing Hibernate Session on explicit request");
        try {
            session.flush();
        } catch (HibernateException ex) {
            throw SessionFactoryUtils.convertHibernateAccessException(ex);
        } catch (PersistenceException ex) {
            if (ex.getCause() instanceof HibernateException hibernateException) {
                throw SessionFactoryUtils.convertHibernateAccessException(hibernateException);
            }
            throw ex;
        }
    }

    @Override
    public boolean equals(@Nullable Object other) {
        return (this == other
                || (other instanceof SpringFlushSynchronization
                        && this.session == ((SpringFlushSynchronization) other).session));
    }

    @Override
    public int hashCode() {
        return this.session.hashCode();
    }
}
